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Date: Sun, 20 Apr 2014 17:15:48 +0300
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Subject: Re: gcc-4.9.0 20140411 snapshot for DJGPP
From: Ozkan Sezer <sezeroz AT gmail DOT com>
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On 4/20/14, Juan Manuel Guerrero <juan DOT guerrero AT gmx DOT de> wrote:
> Am 12.04.2014 14:07, schrieb Andris Pavenis:
>> Yesterday gcc-4_9-branch was created and gcc-4.9.0 prerelease
>> was made available. That means that actual gcc-4.9.0 is near:
>>
>> http://gcc.gnu.org/ml/gcc/2014-04/msg00091.html
>>
>> My build of snapshot from gcc-4_9-branch is available at
>>
>> http://ap1.pp.fi/djgpp/gcc/test/4.9.0-20140411/
>>
>> I did some testing for C++:
>> - built cln-1.3.2 and run its test. All works out of box as earlier
>> - built GiNaC (www.ginac.de). Builds out of box. Some tests seem
>>   to run extremely slowly. I suspect that DJGPP v2.04 slow free() is
>> biting.
>>
>> Of course it bootstraps OK (except of getting stuck once while
>> configuring libstdc++-v3: it happens randomly in the same place
>> when building under Windows Vista, I do not know why).
>>
>> About DJGPP v2.04 slow free(): I have used nmalloc for building gcc
>> already for a long time as gcc allocates and frees large number of
>> memory blocks and DJGPP v2.04 own memory management is too slow.
>>
>> Perhaps it could be time use nmalloc for DJGPP libc.
>>
>> Andris
>>
>
> Have you ever managed to merge nmalloc into your local CVS repository?
> IIRC I have tried a year ago but I failed.  I did not really understood how
> djgpp's malloc worked and I also did not understood how nmalloc worked
> so it was impossible to me to replace one with the other and I gave up.
> If you have merged the code you can send me a patch and I will try the
> nmalloc changes with some code of mine.
>
> Regards,
> Juan M. Guerrero
>

If everyone is unhappy with it, why don't we go back to 2.03's malloc first,
and then try to merge nmalloc ?

--
O.S.